Theme Tasks catalog
Problems to find the unknown addend
• You will learn how to find the unknown addend and practice finding it;
• You will learn to solve problems to find the unknown addend and practice choosing the right solutions for problems;
• You will improve your skills in adding and subtracting numbers up to 10;
• You will practice comparing an expression and a number;
• You will repeat the composition of numbers 6, 8, 9, 10.
• You will learn to solve problems to find the unknown addend and practice choosing the right solutions for problems;
• You will improve your skills in adding and subtracting numbers up to 10;
• You will practice comparing an expression and a number;
• You will repeat the composition of numbers 6, 8, 9, 10.
1
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
2
Listen to the story Problem.
Sam has 3 big toy dinosaurs and 6 small toy dinosaurs.
How many toy dinosaurs does Sam have in all?
Complete the number bond. Drag the numbers from the story.
Listen to the story Problem.
Sam has 3 big toy dinosaurs and 6 small toy dinosaurs.
How many toy dinosaurs does Sam have in all?
Complete the number bond. Drag the numbers from the story.
3
Add the parts to find the whole. Drag the correct numbers.
Add the parts to find the whole. Drag the correct numbers.
4
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
5
Look at this equation:
5 + 3 = 8.
Remember the names of these numbers in addition:
5 and 3 are the parts (addends).
8 is the whole (sum).
How do we find a missing part?
Subtract the known part from the whole:
8 – 3 = 5,
8 – 5 = 3.
Look at this equation:
5 + 3 = 8.
Remember the names of these numbers in addition:
5 and 3 are the parts (addends).
8 is the whole (sum).
How do we find a missing part?
Subtract the known part from the whole:
8 – 3 = 5,
8 – 5 = 3.
6
Make a number sentence to find the missing part.
Make a number sentence to find the missing part.
7
Listen to the story problem.
There are 8 apples in a basket. 5 are red and the rest are yellow.
How many yellow apples are in the basket?
Drag the correct equation to the problem.
Listen to the story problem.
There are 8 apples in a basket. 5 are red and the rest are yellow.
How many yellow apples are in the basket?
Drag the correct equation to the problem.
8
Drag and drop the correct sign: greater than, less than, or equal to.
Drag and drop the correct sign: greater than, less than, or equal to.
9
Listen to the story problem.
Avery has 10 dog treats. She gave 6 treats to her dog, and the rest are still in the bag.
How many treats are left in the bag?
Drag the correct equation to the problem.
Listen to the story problem.
Avery has 10 dog treats. She gave 6 treats to her dog, and the rest are still in the bag.
How many treats are left in the bag?
Drag the correct equation to the problem.
10
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
11
Listen to the story problem.
Buster the clown has 7 balloons. 5 of them are red, and the rest are blue.
How many blue balloons does Buster have?
Drag the correct equation to the problem.
Listen to the story problem.
Buster the clown has 7 balloons. 5 of them are red, and the rest are blue.
How many blue balloons does Buster have?
Drag the correct equation to the problem.
12
Calculate. Choose the right numbers.
Calculate. Choose the right numbers.
13
Find the biggest number and choose it.
Find the biggest number and choose it.
14
Listen to the story Problem.
Olivia has a bouquet of 9 flowers. 4 of them are roses, and the rest are lilies.
How many lilies are in Olivia's bouquet?
Complete the number bond. Drag the numbers from the story.
Listen to the story Problem.
Olivia has a bouquet of 9 flowers. 4 of them are roses, and the rest are lilies.
How many lilies are in Olivia's bouquet?
Complete the number bond. Drag the numbers from the story.
15
Subtract to find the missing part. Drag the correct numbers.
Subtract to find the missing part. Drag the correct numbers.
16
Which numbers are printed as a composition? Choose them.
Which numbers are printed as a composition? Choose them.
17
Listen to the story Problem.
Lucas collected 7 toy robots. 3 of them are blue, and the rest are green.
How many green robots did Lucas collect?
Complete the number bond. Drag the numbers from the story.
Listen to the story Problem.
Lucas collected 7 toy robots. 3 of them are blue, and the rest are green.
How many green robots did Lucas collect?
Complete the number bond. Drag the numbers from the story.
